# Phlebotomy Exam Prep 1, Order of Draw and Tube Color Coding Page: https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377/phlebotomy-exam-prep-1-order-of-draw-and-tube-color-coding Text version: https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377/phlebotomy-exam-prep-1-order-of-draw-and-tube-color-coding.md Podcast: [Nursing & Healthcare Exam Prep](https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377) Published: 2026-04-28T22:25:11+00:00 Episode link: https://open-exam-prep.com/ Audio file: https://episodes.captivate.fm/episode/37975455-d450-4408-803c-56f08b22f32b.mp3 Processing state: not_requested JSON: https://stenobird.com/v1/public/podcasts/nursing-healthcare-exam-prep-7652377/episodes/phlebotomy-exam-prep-1-order-of-draw-and-tube-color-coding Duration seconds: 192 ## Resource This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The official CLSI standard order of draw: Blood Culture, Light Blue, Red/Gold (SST), Green, Lavender, and Gray. - Why preventing additive carryover is the critical reason behind the specific tube sequence. - How common additives like EDTA, Sodium Citrate, and Heparin function and can interfere with other tests. - To identify common exam traps, such as questions testing the impact of EDTA on potassium and calcium levels. - The mnemonic 'Stop, Light, Red, Green, Lavender, Gray' to easily recall the correct order during the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep ## Actions - request_transcript: `POST https://stenobird.com/v1/public/podcasts/nursing-healthcare-exam-prep-7652377/episodes/phlebotomy-exam-prep-1-order-of-draw-and-tube-color-coding/transcription-requests` — Idempotently request low-priority transcript generation for this episode. - read_markdown: `GET https://stenobird.com/podcast/nursing-healthcare-exam-prep-7652377/phlebotomy-exam-prep-1-order-of-draw-and-tube-color-coding.md` — Read the agent-friendly Markdown representation of this episode resource. A page view does not enqueue transcription. Agents should invoke `request_transcript` explicitly when they need this episode processed. ## Transcript Full transcripts are not published on public pages unless there is a clear rights basis.